From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CAF78C67839 for ; Fri, 14 Dec 2018 12:43:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91DB820892 for ; Fri, 14 Dec 2018 12:43:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="INktc85l" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 91DB820892 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729999AbeLNMCR (ORCPT ); Fri, 14 Dec 2018 07:02:17 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:42893 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729989AbeLNMCQ (ORCPT ); Fri, 14 Dec 2018 07:02:16 -0500 Received: by mail-pg1-f195.google.com with SMTP id d72so2617018pga.9; Fri, 14 Dec 2018 04:02:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=FhKdt2f+1+SIgo3NtqA2vhu03CpUkR10GIFfzT1l3X4=; b=INktc85lLRELKIC6YQ94kelkrwkBl8UGTD2igcFGoAVxx+ehYJbisI0VGZjU2Ke1SC yCjvplDZUX85a4jgx0WD8zN41rS7ORr+yAFNzvXqho/3cxi71hXIu69dEjWKWXSg9a/Y qosOOusFXP3wc7dWhg0inKKCExpppDRNkpKGhWCpTM7UbPRTH39pZN9YQjrkGQoCZE95 K7NqkflPh8LZbNWcsAsW0GLYWtqtRb6dSLu9+ODLFZNXTQhXk4PwG5Yu2CssOsH3LquB z7TXlrnHFWvEgyDwfr/ox1RMyvXo9L6oSEekeEQMQB84vb9uPl4cN/F3hhLcYfV0v4ng aaBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=FhKdt2f+1+SIgo3NtqA2vhu03CpUkR10GIFfzT1l3X4=; b=F6qiWQjqqyWp8MPPBepGlNgwXuP6TEdkzPaI6n2nv5I9E0dvcnpMsYVtlLEwgU/XKJ ix7Wc6XPfjd9svB7rFXACsl+emHwQPzZKDNbKMKRj4evfLnoHhmZZSi1ZJsVtSuEHI7K crhifTJPH46LO/axAeTXtz/dE+YNPzJEj/CINqkFHadmPwvKktAeXY6nVpXjgjygA4Hq 77VF/BRZ5CLnpipZeQBq9RbJbD0TM71vXD3BzqoPaNSWF981bueFbSdKQ4hWJDtFwxvq L+rtpP9EnydrNRqdZDT0eGKpv2MeNainP+k33NTre9ihUPVihACe0BmZ5dpx49n6JMrO vqoA== X-Gm-Message-State: AA+aEWYEGgh0R5jbrUNxRCtcD7OVRZK4rw8asXNrGj02fE+DxftxMhzj 268eJFsPZZesSejthAoVVWN0HJIK X-Google-Smtp-Source: AFSGD/VXUpTgeqfK4XQ2zlbYzmgZKx7FW8+2ghhahtJ7kLFLqOSlCLEWVrMuMn/NJ7yZlBXVwNPdsQ== X-Received: by 2002:a63:990a:: with SMTP id d10mr2450563pge.279.1544788935468; Fri, 14 Dec 2018 04:02:15 -0800 (PST) Received: from bars (ip-195-182-157-78.clients.cmk.ru. [195.182.157.78]) by smtp.gmail.com with ESMTPSA id f67sm13605818pff.29.2018.12.14.04.02.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 14 Dec 2018 04:02:14 -0800 (PST) Date: Fri, 14 Dec 2018 15:02:10 +0300 From: Sergey Matyukevich To: netdev@vger.kernel.org, linux-wireless@vger.kernel.org Cc: Jamal Hadi Salim , Cong Wang , Jiri Pirko , sergey.matyukevich.os@quantenna.com Subject: question: ip forwarding and fq/mq qdisc Message-ID: <20181214120210.kmeuwvajuiwlp2n7@bars> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hi all, I have been running 4.18-rc8 kernel with enabled IP forwarding between wired and wireless interfaces, where both interfaces were configured as fq qdisc. However after moving to 4.20-rc1 kernel the same configuration does not work anymore: pass-through packets are not forwarded in both directions. Forwarding starts working again only if I change qdisc of _both_ interfaces to anything but fq/mq. For instance any combination of pfifo/fq_codel/noqueue works fine. Does it look like a regression or it is a known change in behavior ? Regards, Sergey